Structure of electroless Ni-Mo-P alloy film

Autor:	Hideo Sawai, T. Osaka, Naganori Masubuchi, Katsuya Arai
Rok vydání:	1990
Předmět:	Materials science Metallurgy Alloy General Engineering Nucleation engineering.material Grain size Catalysis Electroless plating Transmission electron microscopy engineering Composite material Layer (electronics) Deposition (law)
Zdroj:	Journal of the Surface Finishing Society of Japan. 41:45-48
ISSN:	1884-3409 0915-1869
DOI:	10.4139/sfj.41.45
Popis:	The processes of initial deposition and film growth of crystalline Ni-Mo-P alloy films by electroless plating were investigated by transmission electron microscopy (TEM) in comparison with those of crystalline Ni-P alloy films by electroless plating. In case of the Ni-P alloy films, very fine grains are packed and grown, so closely that the grain structure is relatively uniform. Whereas in case of the Ni-Mo-P alloy films, nucleation occurs on Pd catalyst particles and the very fine grainy layer grows to a thickness of 300A. At thicknesses greater than 300A, the growth of nuclei occurs so preferentially that grain size increases. It is suggested that this film growth in the region of its thickness greater than 300A is related to the nonuniform conditions in the crystalline state.
Databáze:	OpenAIRE
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